450 results
Prolonged APTT - Diagnostic Algorithm

#Prolonged #APTT #PTT #abnormal #Diagnosis #Algorithm #hematology
Diagnostic Algorithm ... #Prolonged #APTT ... #PTT #abnormal ... #Diagnosis #Algorithm ... #hematology
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Algorithm for Investigation ... of Abnormal Coagulation ... DrEricStrong #Algorithm ... #Coagulation #Abnormal ... #Hematology #Diagnosis
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
to Evaluate an Abnormal ... APTT Step 1: Is ... the PT or APTT ... ISNeducation #Abnormal ... #diagnosis #hematology
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
Approach to Elevated aPTT ... Differential Diagnosis Algorithm ... aPTT: Intrinsic ... #PT #INR #Algorithm ... #Hematology #differential
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Prolonged PT (INR), Normal ... PTT, Normal PT ... , Normal PT (INR ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
and Management Algorithm ... antiglobulin test, PT/aPTT ... hemosiderin • PT/aPTT ... normal • DAT ... #hematology
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
Clotting tests can be abnormal ... Plasma → Recheck abnormal ... PT and/or aPTT) ... Study #diagnosis #hematology ... pathophysiology #hematology
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
Differential Diagnosis Algorithm ... iron studies, PT/aPTT ... Differential #Diagnosis #Algorithm ... #hematology #workup
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... PT and/or aPTT ... typically prolong aPTT ... Jcortesizaguirr #Abnormal ... #differential #hematology
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
Laboratory • Normal ... type 2B) • Normal ... PT/INR • Normal ... aPTT (prolonged ... Disease #Diagnosis #Hematology